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How much water is there in a well 5.5 meters high and 0.8 meters wide?
How much water can be held is a volume problem, and then the topic is a circular well, so it is to ask the volume of a cylindrical object with a height of 5.5 and a diameter of 0.8. You can get it by multiplying the bottom area by the height. The answer is 5.5 × π (0.8/2) 2 = 0.88 π m.

Directly using the mathematical formula, three numbers can be directly multiplied, that is, the square of 5.5 times 0.4π equals 0.88 cubic meter, 1 cubic meter = 1000 liter, then 1 cubic meter of water is 1000 liter. So 0.88 cubic meters, which is 880 liters of water.

So the well is 5.5 meters high and 0.8 meters wide, which is 880 liters of water.